13231031219 has 16 divisors (see below), whose sum is σ = 15338651328. Its totient is φ = 11177989632.

The previous prime is 13231031207. The next prime is 13231031249. The reversal of 13231031219 is 91213013231.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13231031219 is a prime.

It is a super-2 number, since 2×13231031219² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13231031249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 828599 + ... + 844415.

It is an arithmetic number, because the mean of its divisors is an integer number (958665708).

Almost surely, 2^13231031219 is an apocalyptic number.

13231031219 is a deficient number, since it is larger than the sum of its proper divisors (2107620109).

13231031219 is a wasteful number, since it uses less digits than its factorization.

13231031219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17534.

The product of its (nonzero) digits is 972, while the sum is 26.

The spelling of 13231031219 in words is "thirteen billion, two hundred thirty-one million, thirty-one thousand, two hundred nineteen".